feat: fix clippy

src/cmd_encrypt.rs

@@ -184,10 +184,11 @@ fn encrypt_single(path: &PathBuf, envelops: &[&TinyEncryptConfigEnvelop], cmd_en
     let _ = util_enc_file::write_tiny_encrypt_meta(&mut file_out, &encrypt_meta, compress_meta)?;
 
     let compress_desc = iff!(cmd_encrypt.compress, " [with compress]", "");
+    let compress_level = iff!(cmd_encrypt.compress, &cmd_encrypt.compress_level, &None);
     let start = Instant::now();
     encrypt_file(
         &mut file_in, file_metadata.len(), &mut file_out, cryptor,
-        &key.0, &nonce.0, cmd_encrypt.compress, &cmd_encrypt.compress_level,
+        &key.0, &nonce.0, compress_level,
     )?;
     drop(file_out);
     let encrypt_duration = start.elapsed();
@@ -220,7 +221,8 @@ fn process_compatible_with_1_0(mut encrypt_meta: TinyEncryptMeta) -> XResult<Tin
 }
 
 fn encrypt_file(file_in: &mut File, file_len: u64, file_out: &mut impl Write, cryptor: Cryptor,
-                key: &[u8], nonce: &[u8], compress: bool, compress_level: &Option<u32>) -> XResult<u64> {
+                key: &[u8], nonce: &[u8], compress_level: &Option<u32>) -> XResult<u64> {
+    let compress = compress_level.is_some();
     let mut total_len = 0_u64;
     let mut write_len = 0_u64;
     let mut buffer = [0u8; 1024 * 8];